Additional Service Information (Gasoline Models)

Fig 1: Throttle Body Mounting Torque (Gasoline Models)

Courtesy of GENERAL MOTORS CORP.

Fig 2: EGR & EVRV Location (Heavy-Duty Gasoline Models)

Courtesy of GENERAL MOTORS CORP.

Fig 3: Servicing EVRV Filter (Heavy-Duty Gasoline Models)

Courtesy of GENERAL MOTORS CORP.

NOTE: For more information regarding EGR system service refer to the EGR FUNCTION TESTING article in the ENGINE PERFORMANCE section.